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LT
LECTROSONICS, INC.
12
A fraction will appear next to the hex code in the setup
screen and in the main window when the frequency
ends in .025, .050 or .075 MHz.
494.525
-40
-20
0
b 19
MUTE
1
4
51
Freq.
b 19
494.525
51
1
4
Fraction appears
next to hex code
in 25 kHz mode
Selecting Frequency Using Two Buttons
Hold the MENU/SEL button in, then use the and
arrow buttons for alternate increments.
Freq.
b
19
494.500
51
1 block steps
1.6 MHz steps to
nearest 100 kHz
channel
10 MHz steps
100 kHz steps
to next 100 kHz
channel
100 kHz Mode
Freq.
b 19
494.525
51
1
4
1 block steps
1.6 MHz steps
10 MHz steps
100 kHz steps
25 kHz Mode
If the Step Size is 25 kHz with the frequency set be-
tween even 100 kHz steps and the Step Size is then
changed to 100 kHz, the mismatch will cause the hex
code to display as two asterisks.
494.525
-40
-20
0
b 19
MUTE
Freq.
b 19
494.500
**
Step Size and
Frequency
mismatch
Helpful Features on Receivers
To aid in finding clear frequencies, several Lectrosonics
receivers offer a SmartTune feature that scans the tun-
ing range of the receiver and displays a graphical report
that shows where RF signals are present at different
levels, and areas where there is little or no RF energy
present. The software then automatically selects the
best channel for operation.
Lectrosonics receivers equipped with an IR Sync func-
tion allow the receiver to set frequency, step size and
compatibility modes on the transmitter via an infrared
link between the two units.
About Overlapping Frequency Blocks
When two frequency blocks overlap, it is possible to
select the same frequency at the upper end of one and
the lower end of the other. While the frequency will be
the same, the pilot tones will be different, as indicated
by the hex codes that appear.
In the following examples, the frequency is set to
494.500 MHz, but one is in block 470 and the other in
block 19. This is done intentionally to maintain compat-
ibility with receivers that tune across a single block. The
block number and hex code must match the receiver to
enable the correct pilot tone.
Freq.
b 19
494.500
51
Freq.
b470
494.500
F4
Make sure the
block number and
hex code match
the receiver setting
Selecting Audio Polarity (Phase)
Audio polarity can be inverted at the transmitter so the
audio can be mixed with other microphones without
comb filtering. The polarity can also be inverted at the
receiver outputs.
Rolloff
Compat
StepSiz
Phase
Phase
Pos.
Neg.
Selecting Battery Type
The voltage drop over the life of different batteries var-
ies by type and brand. Be sure to set the correct battery
type for accurate indications and warnings. The menu
offers alkaline or lithium types.
Locked
Backlit
Rf On?
BatType
BatType
Alk.
Lith.
If you are using rechargeable batteries, it is better to
use the timer function on the receiver to monitor the
battery life rather than the indicators on the transmitter.
Rechargeable batteries maintain a fairly constant volt-
age across the operating time on each charge and stop
working abruptly, so you will have little or no warning as
they reach the end of operation. The timer is available
on all Lectrosonics Digital Hybrid Wireless
®
receivers.
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